net.sf.sparql.benchmarking.operations.OperationMixImpl Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of core Show documentation
An API for benchmarking the performance of queries against arbitrary SPARQL endpoint
The newest version!
/** 
 * Copyright 2011-2014 Cray Inc. All Rights Reserved
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name Cray Inc. nor the names of its contributors may be
 *   used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 **/
package net.sf.sparql.benchmarking.operations;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import net.sf.sparql.benchmarking.stats.OperationMixStats;
import net.sf.sparql.benchmarking.stats.impl.OperationMixStatsImpl;

/**
 * A basic implementation of an operation mix
 * 
 * @author rvesse
 * 
 */
public class OperationMixImpl implements OperationMix {

    protected static final Logger logger = LoggerFactory.getLogger(OperationMixImpl.class);

    private OperationMixStats stats = new OperationMixStatsImpl();
    private List operations = new ArrayList();

    /**
     * Creates a new operation mix
     * 
     * @param ops
     *            Operations
     */
    public OperationMixImpl(Collection ops) {
        if (ops == null)
            throw new NullPointerException("Operations cannot be null");
        this.operations.addAll(ops);
        if (this.operations.size() == 0)
            throw new IllegalArgumentException("Cannot have an empty operation mix");
        for (int i = 0; i < this.operations.size(); i++) {
            this.operations.get(i).setId(i);
        }
    }

    @Override
    public Iterator getOperations() {
        return this.operations.iterator();
    }

    @Override
    public OperationMixStats getStats() {
        return this.stats;
    }

    @Override
    public Operation getOperation(int id) {
        if (id < 0 || id >= this.operations.size())
            throw new IllegalArgumentException("ID must be in range 0-" + this.operations.size() + " but got " + id);
        return this.operations.get(id);
    }

    @Override
    public int size() {
        return this.operations.size();
    }
}